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retardation |
Also found in: Dictionary/thesaurus, Hutchinson | 0.09 sec. |
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retardation: see mental retardation mental retardation, below average level of intellectual functioning, usually defined by an IQ of below 70 to 75, combined with limitations in the skills necessary for daily living. ..... Click the link for more information. . How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Neonatal exposure to brominated flame retardent 2,2',4,4',5-pentabromodiphenyl ether causes altered susceptibility in the cholinergic transmitter system in the adult mouse. Powders can be thermoplastic, thermoset, or an additive like a flame retardent or antimicrobial. The well-known antimony oxide--halogen fire retardent system, where the halogen is an organic chloride or bromide, serves as an example of the application of such criteria and the underlying molecular aspects involved. |
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